/*body樣式初始化 */
body{
  min-width: 320px;
  max-width: 540px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.5;
  font-family: -apple-system,Helvetica,sans-serif;
}
/*点击高亮我们需要清除，设置为transparent完成透明*/
*{
 -webkit-tap-highlight-color:transparent;
}
/*在移动端浏览器默认的外观在ios上加上这个属性才能给按钮和输入框自定义样式*/
input{
  -webkit-appearance:none;
}
/*禁止长按页面时弹出菜单*/
img,a{
  -webkit-touch-callout:none
}


/* 顶部提示 */
.top-tips{
  width: 100%;
  height: 45px;
  line-height: 45px;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #333;
  text-align: center;
  color: #fff;
}
.top-tips div:nth-child(1){
  float: left;
  width: 8% ; 
}
.top-tips div:nth-child(1) img{
  width: 10px; 
  vertical-align: middle; 
}
.top-tips div:nth-child(2){
  float: left;
  width: 10% ; 
}
.top-tips div:nth-child(2) img{
  width: 30px;  
  vertical-align: middle;
}
.top-tips div:nth-child(3){
  float: left;
  width: 57% ; 
}
.top-tips div:nth-child(4){
  float: left;
  width: 25% ; 
  height: 45px;
  background-color: #cd2525;
}
/* 搜索框 */
.search-box{
  position: fixed;
  top: 45px;
  left: 0;
  width:100%;
  height: 44px;
  z-index: 20;
}
.search-box .search-btn{
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 44px;
}
.search-box .search-btn span{
  display: block;
  width: 20px;
  height: 18px;
  margin: 14px 0 0 15px;
  background: url(../img/s-btn.png) no-repeat 0 0;
  background-size: 20px 18px;
}
.search-box .login{
  position: absolute; 
  top: 0;
  right: 0;
  width: 40px;
  height: 44px;
  line-height: 44px;
  color: #fff;
  text-align: left;
}
.search-box .search{
  position: relative;
  height: 30px;
  margin:7px 50px;
  border-radius: 15px;
  background-color: #fff;
}
.search-box .search span{
  float: left;
  position: relative;
  width: 20px;
  height: 15px;
  margin: 8px 8px 0 15px ;
  background: url(../img/logo2.png) no-repeat;
  background-size: 20px 15px;
}
.search-box .search span::after{
  position: absolute;
  right: -8px;
  content: "";
  width: 1px; 
  height: 15px;
  background-color: #ccc;
}
.search-box .search  i{
  float: left;
  width: 18px;
  height: 15px;
  margin: 8px 0 0 15px;
  background: url(../img/jd-sprites.png) no-repeat -82px 0;
  background-size: 200px 200px;
}
.search-box .search input{
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 30px;
  padding: 0 20px 0 78px;
  background-color: transparent;
  border: none;
  font-size: 12px;
  /* border-box: */
}

/* 主要内容区域 */
.content{
  width: 100%;
  margin-top: 45px;
  background-color: #f6f6f6;
}
.content .banner{
  position: relative;
  width: 100%;
  height: 187px;
  overflow: hidden;
}

.content .banner .banner-bg{
  position: absolute;
  left: -25%;
  width: 150%;
  height: 145px;
  border-bottom-left-radius: 100%;
  border-bottom-right-radius: 100%;
  background-color: #f00;
  background-image: linear-gradient(0deg,#f1503b,#c82519 50%);
}

/* 设置滑动轮播图的样式 */
.banner ul {
  list-style: none;
  position: relative;
  margin: 0;
  /* width: 100%; */
}
.banner ul li{
  position: absolute;
  left: 0;
  top: 0;
  width: 100%; 
  height: 187px;
  padding: 44px 3.33% 0;
  box-sizing: border-box;
}
.banner ul li a {
  display: block;
}
.banner ul li a img{
  display: block;
  width: 100%;
}
/* 优惠活动 */
.youhui{
  width: 100%;
  overflow: hidden;
}
.youhui a{
  float: left;
  width: 33.33%;
}
.youhui a img{
  display: block;
  width: 100%;
}

/* 导航部分 */
nav{
  width: 100%;
  height: 162px;
  overflow: hidden;
  position: relative;
}
nav .mall-nav{
  position: absolute;
  left: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
}
nav .mall-nav:nth-child(2){
  left: 100%;
}
nav .mall-nav a{
  float: left;
  width: 20%;
  text-decoration: none;
  color: #777;
}
nav .mall-nav a img{
  display: block; 
  width: 40px;
  margin: 10px auto 0;
}
nav .mall-nav a span{
  display: block; 
  text-align: center;
  font-size: 12px;
  height: 18px;
  line-height: 18px;
  margin-top: 6px;
}
/* 新人专享 */
.new{
  margin: 10px;
  overflow: hidden;
}
.new a{
  float: left;
  width: 50%;
}
.new a img{
  display: block;
  width: 100%;
}



